refactoring utils

1 files changed, 86 insertions, 0 deletions

diff --git a/rotord/src/utils.h b/rotord/src/utils.h
index 3859afe..d9df488 100644
--- a/rotord/src/utils.h
+++ b/rotord/src/utils.h
@@ -1,4 +1,13 @@
+#ifndef ROTOR_utils_H
+#define ROTOR_utils_H
+
 #include <cmath>
+#include <string>
+#include <sstream>
+#include <vector>
+#include <iomanip>
+
+#include "Poco/String.h"
 
 #define FLOAT_THRESHOLD .001f
 
@@ -8,3 +17,80 @@ bool fless_or_equal(const float u,const float v);
 bool fgreater_or_equal(const float u,const float v);
 bool fless(const float u,const float v);
 bool fgreater(const float u,const float v);
+
+
+template <class T>
+std::string toString(const T& value){
+	std::ostringstream out;
+	out << value;
+	return out.str();
+}
+
+/// like sprintf "%4f" format, in this example precision=4
+template <class T>
+std::string toString(const T& value, int precision){
+	std::ostringstream out;
+	out << std::fixed << std::setprecision(precision) << value;
+	return out.str();
+}
+
+/// like sprintf "% 4d" or "% 4f" format, in this example width=4, fill=' '
+template <class T>
+std::string toString(const T& value, int width, char fill ){
+	std::ostringstream out;
+	out << std::fixed << std::setfill(fill) << std::setw(width) << value;
+	return out.str();
+}
+
+/// like sprintf "%04.2d" or "%04.2f" format, in this example precision=2, width=4, fill='0'
+template <class T>
+std::string toString(const T& value, int precision, int width, char fill ){
+	std::ostringstream out;
+	out << std::fixed << std::setfill(fill) << std::setw(width) << std::setprecision(precision) << value;
+	return out.str();
+}
+
+template<class T>
+std::string toString(const std::vector<T>& values) {
+	std::stringstream out;
+	int n = values.size();
+	out << "{";
+	if(n > 0) {
+		for(int i = 0; i < n - 1; i++) {
+			out << values[i] << ", ";
+		}
+		out << values[n - 1];
+	}
+	out << "}";
+	return out.str();
+}
+
+template <class T>
+std::string toHex(const T& value) {
+	std::ostringstream out;
+	// pretend that the value is a bunch of bytes
+	unsigned char* valuePtr = (unsigned char*) &value;
+	// the number of bytes is determined by the datatype
+	int numBytes = sizeof(T);
+	// the bytes are stored backwards (least significant first)
+	for(int i = numBytes - 1; i >= 0; i--) {
+		// print each byte out as a 2-character wide hex value
+		out << std::setfill('0') << std::setw(2) << std::hex << (int) valuePtr[i];
+	}
+	return out.str();
+}
+template <>
+std::string toHex(const std::string& value);
+std::string toHex(const char* value);
+
+int hexToInt(const std::string& intHexstring);
+char hexToChar(const std::string& charHexString);
+float hexToFloat(const std::string& floatHexString);
+std::string hexToString(const std::string& stringHexString);
+
+int toInt(const std::string& intString);
+char toChar(const std::string& charString);
+float toFloat(const std::string& floatString);
+bool toBool(const std::string& boolString);
+
+#endif